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Chemical Sampling Information (CSI)
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General Description

Synonyms: Calcium Carbonate

OSHA IMIS Code Number: M114

Chemical Abstracts Service (CAS) Registry Number: 1317-65-3

Chemical Description and Physical Properties:

marble is a metamorphosed crystalline limestone composed of grains of calcite or more rarely, clalomite

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: See Dust (Respirable Nuisance) or Dust, Total

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA

Health Factors

Health Effects: Nuisance particulates accumulation in lungs (HE19)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

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